The effect of introducing antibiotics into organic light-emitting diodes
- Authors
- Hafeez, Hassan; Jesuraj, P. Justin; Kim, Dong Hyun; Lee, Jong Chan; Shin, Jun Young; Rhee, Sang Ho; Lee, Won Ho; Choi, Dae Keun; Cha, Jun Hwan; Lee, Chang Min; Kim, Chul Hoon; Lamichhane, Janardan; Pokhrel, Anaya; Kim, Tae-Su; Sohng, Jae Kyung; Yun, Hyung Joong; Park, Jong Bae; Chung, Hee-Suk; Bae, Tae-Sung; Lee, Sang Geul; Park, Hyun-Woo; Chung, Kwun-Bum; Song, Aeran; Kwon, Jang Hyuk; Bae, Hyeong Woo; Kang, Yong-Cheol; Park, Juyun; Song, Myungkwan; Kim, Chang-Su; Ryu, Seung Yoon
- Issue Date
- 21-10월-2019
- Publisher
- NATURE PUBLISHING GROUP
- Citation
- COMMUNICATIONS PHYSICS, v.2
- Indexed
- SCIE
SCOPUS
- Journal Title
- COMMUNICATIONS PHYSICS
- Volume
- 2
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/62188
- DOI
- 10.1038/s42005-019-0228-3
- ISSN
- 2399-3650
- Abstract
- The quest to improve the performance of organic light-emitting diodes (OLEDs) has led to the exploration of new materials with properties like interfacial dipole, excitons generation, and bandgap alignment. Here, we exploit these strategies by investigating the interaction of the antibiotic ampicillin with a widely used optoelectronic material, to fabricate state-of-the-art OLEDs. The charge distribution on the ampicillin molecule facilitates the generation of an interfacial dipole with a large magnitude. The optimum fusion of the two materials provides an enhanced bandgap alignment, charge balance and J/H-aggregated excitons. Values of current efficiency (120 cdA(-1)), external quantum efficiency (similar to 35%) and power efficiency (70 lmW(-1)) are demonstrated. The cross-evaluation of performance with penicillin devices indicates the significance of ampicillin's specific molecular structure in improving performance. The detailed investigations demonstrate that ampicillin has superior optoelectronic properties with high potential to contribute extensively in OLEDs and photovoltaics.
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- Appears in
Collections - Graduate School > Department of Advanced Materials Chemistry > 1. Journal Articles
- Graduate School > Department of Applied Physics > 1. Journal Articles
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